Computer lock



FIG. 1 is a front elevational view of a computer lock showing my new design;

FIG. 2 is a right side elevational view thereof, the left side being a mirror image of that shown;

FIG. 3 is a rear elevational view thereof; and,

FIG. 4 is a top plan view thereof, the bottom being identical in appearance. 

The ornamental design for a computer lock, as shown and described. 